Google Chrome up to 143.0.7499.110 V8 out-of-bounds write

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Google Chrome and classified as critical. Affected by this vulnerability is an unknown functionality of the component V8. The manipulation leads to out-of-bounds write. This vulnerability is documented as CVE-2025-14766. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Google Chrome. It has been rated as critical. This issue affects an unknown part of the component V8. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Out of bounds read and write in V8 in Google Chrome prior to 143.0.7499.147 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

The weakness was released by Shaheen Fazim. The advisory is shared at chromereleases.googleblog.com. The identification of this vulnerability is CVE-2025-14766. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 12/24/2025).

The vulnerability scanner Nessus provides a plugin with the ID 279262 (Microsoft Edge (Chromium) < 143.0.3650.96 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 143.0.7499.146 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (279262) and CERT Bund (WID-SEC-2025-2858). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Fedora Linux
  • Google Chrome
  • Microsoft Edge

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 279262
Nessus Name: Microsoft Edge (Chromium) < 143.0.3650.96 Multiple Vulnerabilities

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Chrome 143.0.7499.146

Timelineinfo

12/16/2025 Advisory disclosed
12/16/2025 +0 days VulDB entry created
12/24/2025 +8 days VulDB entry last update

Sourcesinfo

Vendor: google.com
Product: google.com

Advisory: chromereleases.googleblog.com
Researcher: Shaheen Fazim
Status: Confirmed

CVE: CVE-2025-14766 (🔒)
GCVE (CVE): GCVE-0-2025-14766
GCVE (VulDB): GCVE-100-336941
CERT Bund: WID-SEC-2025-2858 - Google Chrome/Microsoft Edge: Mehrere Schwachstellen

Entryinfo

Created: 12/16/2025 22:05
Updated: 12/24/2025 08:26
Changes: 12/16/2025 22:05 (55), 12/17/2025 14:40 (1), 12/19/2025 08:26 (2), 12/20/2025 00:01 (7), 12/24/2025 08:26 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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